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# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
#
# This module is part of GitPython and is released under the
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/

import os.path as osp

from git.db import GitCmdObjectDB
from git.exc import BadObject
from git.util import bin_to_hex

from test.lib import TestBase


class TestDB(TestBase):
    def test_base(self):
        gdb = GitCmdObjectDB(osp.join(self.rorepo.git_dir, "objects"), self.rorepo.git)

        # Partial to complete - works with everything.
        hexsha = bin_to_hex(gdb.partial_to_complete_sha_hex("0.1.6"))
        assert len(hexsha) == 40

        assert bin_to_hex(gdb.partial_to_complete_sha_hex(hexsha[:20])) == hexsha

        # Fails with BadObject.
        for invalid_rev in ("0000", "bad/ref", "super bad"):
            self.assertRaises(BadObject, gdb.partial_to_complete_sha_hex, invalid_rev)